facial expressions emotions emotion polygraph lie expression ekman emotional fear human keeler detector posed psychology behavior research subjects face
| 0.12 Jerome Neu, "A Tear is an Intellectual Thing", Representations, 1987. |
facial expressions emotions emotion polygraph lie expression ekman emotional fear human keeler detector posed psychology behavior research subjects face
| 0.12 Jerome Neu, "A Tear is an Intellectual Thing", Representations, 1987. |